Decentralized controller design for smart structural systems

Pengxiang Liu; Vittal S. Rao

doi:10.1117/12.484762

1 August 2003 Decentralized controller design for smart structural systems

Pengxiang Liu, Vittal S. Rao

Proceedings Volume 5049, Smart Structures and Materials 2003: Modeling, Signal Processing, and Control; (2003) https://doi.org/10.1117/12.484762
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

In this paper, we show how to design decentralized controllers for smart structural systems to achieve multiple objectives associated with performances defined by H∞ or H₂ norm, robust stability for model uncertainty, and limited actuator authority. The decentralized controller is designed in a sequential procedure for each control loop by solving synthesis conditions represented in terms of linear matrix inequalities (LMIs). The simultaneous design of decentralized controller, formulated as a non-convex minimization problem, is also discussed. The proposed design method was experimentally tested on a three-mass structure with three control loops.

Citation Download Citation

Pengxiang Liu and Vittal S. Rao "Decentralized controller design for smart structural systems", Proc. SPIE 5049, Smart Structures and Materials 2003: Modeling, Signal Processing, and Control, (1 August 2003); https://doi.org/10.1117/12.484762

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